LP5562TMX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: Programmable, Multi-channel, I2C Interface
• Package: 20-Pin WQFN
• Essence: Control and drive multiple LEDs with programmable patterns and brightness levels.
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage: 2.7V to 5.5V
• Number of Channels: 3
• LED Current Range: 1mA to 25mA
• I2C Bus Interface: Supports Standard and Fast Modes
• Operating Temperature Range: -40°C to +85°C
• Dimming Control: 256 Steps per Channel
• Programmable Patterns: Up to 16 Patterns
• Power-Save Mode: Reduces Power Consumption in Idle State

Pin Configuration

The LP5562TMX/NOPB IC has a total of 20 pins. The pin configuration is as follows:

1. VDD: Power Supply Voltage
2. GND: Ground
3. SDA: I2C Serial Data Input/Output
4. SCL: I2C Serial Clock Input
5. INT: Interrupt Output
6. EN: Enable Input
7. REXT: External Resistor for LED Current Setting
8. LED1: LED Channel 1 Output
9. LED2: LED Channel 2 Output
10. LED3: LED Channel 3 Output
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection
17. NC: No Connection
18. NC: No Connection
19. NC: No Connection
20. NC: No Connection

Functional Features

• Control and drive up to 3 LEDs independently.
• Programmable LED patterns and brightness levels.
• I2C interface for easy communication with microcontrollers.
• Interrupt output for status indication.
• Power-saving mode to reduce idle power consumption.
• External resistor for precise LED current setting.

Advantages and Disadvantages

Advantages

• Flexible and programmable LED control.
• Supports multiple LED channels.
• Wide input voltage range.
• Low power consumption in idle state.
• Compact package size.

Disadvantages

• Limited number of LED channels (up to 3).
• Requires external resistor for LED current setting.

Working Principles

The LP5562TMX/NOPB is an integrated circuit designed to control and drive multiple LEDs. It utilizes an I2C bus interface to communicate with a microcontroller or other devices. The IC allows programming of LED patterns and brightness levels, providing flexibility in creating various lighting effects.

The LP5562TMX/NOPB features three LED channels, each capable of driving an LED with a current range of 1mA to 25mA. The LED current can be precisely set using an external resistor (REXT). The IC supports dimming control with 256 steps per channel, allowing smooth transitions between different brightness levels.

In addition to LED control, the LP5562TMX/NOPB includes a power-saving mode that reduces power consumption when the device is idle. An interrupt output is also provided to indicate the status of the IC.

Detailed Application Field Plans

The LP5562TMX/NOPB LED driver IC finds applications in various fields, including:

1. Automotive Lighting: Used for interior and exterior lighting applications in vehicles, such as dashboard backlighting, ambient lighting, and turn signal indicators.
2. Consumer Electronics: Integrated into devices like smartphones, tablets, and wearable devices to control LED notifications, backlighting, and indicator lights.
3. Industrial Automation: Employed in industrial equipment and machinery for status indication, panel lighting, and safety lighting.
4. Gaming and Entertainment: Integrated into gaming consoles, gaming peripherals, and entertainment systems to provide customizable LED lighting effects.
5. Smart Home Automation: Used in smart home devices, such as smart bulbs, light strips, and smart switches, to enable programmable and dynamic lighting.

Detailed and Complete Alternative Models

1. LP55231: Similar LED driver IC with 9 programmable channels and integrated charge pump for higher LED voltage requirements.
2. PCA9685: LED driver IC with 16 channels and PWM control, suitable for applications requiring a large number of independently controlled LEDs.
3. IS31FL3731: LED matrix driver IC with 144 individually addressable LEDs, ideal for creating animated displays and signage.

These alternative models offer different features and capabilities, allowing users to choose the most suitable option based on their specific requirements.